| Series | N/A SF(T)5902 | 
| Material | N/A 8740 Alloy Steel per AMS6322 | 
| Heat Treat | N/A 35 HRC ( 160 KSI min) | 
| Finish | N/A Cadmium Plate per AMS- QQ-P-416, Type II, Class 3 | 
| Military Part Number | N/A MS51992C506-44 | 
| Lockring - Low Strength Magnesium | N/A RL1997-106 | 
| Lockring - Aluminum | N/A RLRR1997-106 | 
| Lockring Part Number | N/A RLRR1997E106 | 
| Lockring Military Part Number | N/A MS51997E106P | 
| Nut End Type | N/A Undrilled | 
| A Nut End Thread Size | N/A 0.4375-20 UNJF-3A | 
| Stud End type | N/A Recess | 
| B Stud End Thread Size | N/A 0.6250-18 | 
| B Stud End Thread-Pitch Diameter | N/A 0.5927-0.5910 in | 
| B Stud End Thread-Minor Diameter | N/A 0.5606-0.5498 in | 
| C ±.020 | N/A 0.808 in | 
| D - Dia | N/A 0.437-0.433 in | 
| E - Dia +.005 -.004 | N/A 0.456 in | 
| F - Dia +.007 -.002 | N/A 0.487 in | 
| G - Dia +.000 -.015 | N/A 0.549 in | 
| H - Dia Min | N/A 0.433 in | 
| J | N/A 26.000 | 
| K +2 -1 | N/A 102.000 º | 
| M | N/A 0.517 in | 
| N -Dia | N/A 0.324 in | 
| T ±.015 | N/A 0.812 in | 
| V ±.016 | N/A 0.200 Inch | 
| P - Dia ±.010 | N/A 0.354 in | 
| L ±.015 | N/A 2.750 in | 
| Grip Length | N/A 1.938 in | 
| Shank Length | N/A 0.219 in | 
| Step Drill Part Number | N/A SDC625JC | 
| Drive Wrench Number | N/A R1108W | 
| Lockring Drive Tool Part Number | N/A SF5902-6D | 
| Notes | N/A 
 | 
